1042666444 has 12 divisors (see below), whose sum is σ = 1839034624. Its totient is φ = 517227984.

The previous prime is 1042666433. The next prime is 1042666447. The reversal of 1042666444 is 4446662401.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1042666447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025739 + ... + 1026754.

Almost surely, 2^1042666444 is an apocalyptic number.

It is an amenable number.

1042666444 is a deficient number, since it is larger than the sum of its proper divisors (796368180).

1042666444 is a wasteful number, since it uses less digits than its factorization.

1042666444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052624 (or 2052622 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 37.

The square root of 1042666444 is about 32290.3459876168. The cubic root of 1042666444 is about 1014.0245407711.

The spelling of 1042666444 in words is "one billion, forty-two million, six hundred sixty-six thousand, four hundred forty-four".